From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 14921 invoked by alias); 22 Jun 2011 13:55:26 -0000 Received: (qmail 14907 invoked by uid 22791); 22 Jun 2011 13:55:25 -0000 X-SWARE-Spam-Status: No, hits=-6.9 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_HI,SPF_HELO_PASS,T_RP_MATCHES_RCVD X-Spam-Check-By: sourceware.org Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Wed, 22 Jun 2011 13:55:03 +0000 Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id p5MDt1Bx025126 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Wed, 22 Jun 2011 09:55:01 -0400 Received: from ns3.rdu.redhat.com (ns3.rdu.redhat.com [10.11.255.199]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id p5MDt0Yg019415; Wed, 22 Jun 2011 09:55:00 -0400 Received: from [10.3.113.6] ([10.3.113.6]) by ns3.rdu.redhat.com (8.13.8/8.13.8) with ESMTP id p5MDsx8F030163; Wed, 22 Jun 2011 09:54:59 -0400 Message-ID: <4E01F433.1070600@redhat.com> Date: Wed, 22 Jun 2011 14:13:00 -0000 From: Jeff Law User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.17) Gecko/20110428 Fedora/3.1.10-1.fc15 Lightning/1.0b3pre Thunderbird/3.1.10 MIME-Version: 1.0 To: Hans-Peter Nilsson CC: gcc-patches Subject: Re: Improve jump threading #5 of N References: <4DF985ED.30406@redhat.com> In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-IsSubscribed: yes Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-patches-owner@gcc.gnu.org X-SW-Source: 2011-06/txt/msg01671.txt.bz2 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 06/21/11 21:28, Hans-Peter Nilsson wrote: > On Wed, 15 Jun 2011, Jeff Law wrote: >> So as I've mentioned previously, I've been working on a relatively small >> change to the jump threading code which would allow it to duplicate a >> join block when doing so allows us to thread through a successor of the >> join block. This is expected to be the last extension to the existing >> jump threading code. > >> Bootstrapped and regression tested on x86_64-unknown-linux-gnu. > > It seems this caused a warning regression, PR49498, for some > but not all targets, see the PR. I never would have expected that kind of regression; obviously I'll have a looksie. Thanks for the heads-up. jeff -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org/ iQEcBAEBAgAGBQJOAfQzAAoJEBRtltQi2kC7MNIH/0W5gcnheIkcWo5z+D1rYjSc mEHZB9vyzBGLgZHQTXfPSM0MuEIgafz5J17gvkEfTQ768iGCrpWleMkchrhhaip1 oTgCRPLwuYouoPrNuYOMi17Zm8QfoPUFbyKbSxIvvk7v/eRolWyL6bqGWlWeFMID 6MKDv6GGbJRYNR0pyQiUQZ6cz2C6irNI4cLwlu7pbfKZ9pc5wte6dDkZ2jEaFs3b bISpo4kE/bX5vDkyr2sWmkBLq0SGP981uNkjorO2tRplrEuA2BA85ZyUaCl3VMIz voRCL+L7cW9zhx2FBL+x2haEwRyxsmLruR3T4equZcCxTpTBHgawWdqWA1g7F9s= =8Yla -----END PGP SIGNATURE-----